Finding the Fourth Proportional to 815,824.41, 1,125,475.47 and 543,626.75
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Solution
The fourth proportional to 815,824.41, 1,125,475.47 and 543,626.75 is: 749,963.54
Step by Step Solution
- Step 1: Write the proportion equation
815,824.41 : 1,125,475.47 = 543,626.75 : x - Step 2: Convert to fraction form
815,824.41/1,125,475.47 = 543,626.75/x - Step 3: Cross multiply
815,824.41x = 1,125,475.47 × 543,626.75 - Step 4: Simplify right side
815,824.41x = 611,838,566,333.45 - Step 5: Solve for x
x = 611,838,566,333.45/815,824.41 - Step 6: Final answer
x = 749,963.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.